Company lists · Data refreshed September 2026

Top 25 Water purifier manufacturers based in Germany

Name: Water purifier manufacturers based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 210 companies tracked

RevenueBase identified 210 water purifier manufacturers headquartered in Germany as of September 2026 and tracks 2,754 professional contacts across them, including 432 with verified work emails. Berlin is the largest hub.

This list covers water purifier manufacturers headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review

210Companies

2,754Contacts tracked

432Verified emails

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The 25 largest water purifier manufacturers based in Germany

Ranked by team size

Top 25 of 210 water purifier manufacturers based in Germany, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to water purifier manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Grünbeck AG	Indirect evidence	Höchstädt, GermanyHQ checked Sep 30, 2026	501-1,000	157 contacts →
	Indirect evidence “Know-how seit über 75 Jahren: Die Grünbeck AG bietet sowohl bewährte als auch innovative Produkte zur Trinkwasseraufbereitung im Bereich Enthärtungs, Filter- und Dosiertechnik…” Source: RevenueBase Database · checked Sep 30, 2026
2	Culligan Deutschland	Indirect evidence	Neuss, GermanyHQ checked Sep 30, 2026	201-500	130 contacts →
	Indirect evidence “Qualitativ hochwertiges Trinkwasser ist ein unschätzbares Gut.” Source: RevenueBase Database · checked Sep 30, 2026
3	BWT Wassertechnik Gmbh	Indirect evidence	Schriesheim, GermanyHQ checked Sep 30, 2026	201-500	115 contacts →
	Indirect evidence “Wasser ist nicht nur eine kostbare Lebensressource, sondern auch eine der großen Herausforderungen dieses Jahrhunderts.” Source: RevenueBase Database · checked Sep 30, 2026
4	Envirofalk Prozesswasser-Technik Gmbh	Indirect evidence	Westerburg, GermanyHQ checked Sep 30, 2026	201-500	88 contacts →
	Indirect evidence “Wir sind EnviroFALK!” Source: RevenueBase Database · checked Sep 30, 2026
5	Bela Aqua Gmbh	Indirect evidence	Zusmarshausen, GermanyHQ checked Sep 30, 2026	51-200	46 contacts →
	Indirect evidence “Jede große Geschichte hat ihren Anfang, so auch die der Bela Aqua GmbH – oder die Geschichte der beiden Menschen, die dahinterstehen: Christine und Günter Brandl.” Source: RevenueBase Database · checked Sep 30, 2026
6	Envirofalk Pharmawatersystems Gmbh	Partial evidence	Leverkusen, GermanyHQ checked Sep 30, 2026	51-200	41 contacts →
	Partial evidence “EnviroFALK PharmaWaterSystems is your reliable partner of water treatment plants for pharmaceutical and high purity applications.” Source: RevenueBase Database · checked Sep 30, 2026
7	Herco Wassertechnik Gmbh	Partial evidence	Freiberg Am Neckar, GermanyHQ checked Sep 30, 2026	51-200	40 contacts →
	Partial evidence “WATER TREATMENT MADE IN GERMANY.” Source: RevenueBase Database · checked Sep 30, 2026
8	Akvantis	Partial evidence	Weilheim, GermanyHQ checked Sep 30, 2026	51-200	34 contacts →
	Partial evidence “Akvantis is an innovative company changing how society views water by delivering technologies that help our customers get the healthiest fresh drinking water.” Source: RevenueBase Database · checked Sep 30, 2026
9	Boreal Light Gmbh	Partial evidence	Berlin, GermanyHQ checked Sep 30, 2026	11-50	21 contacts →
	Partial evidence “Boreal Light GmbH is a young Berlin based company specialized on renewable energy solution for water treatment facilities.” Source: RevenueBase Database · checked Sep 30, 2026
10	Xylem Water Solutions Herford Gmbh	Indirect evidence	Herford, GermanyHQ checked Sep 30, 2026	11-50	19 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026
11	DWA Gmbh & Co. KG	Strong evidence	Ubstadt-weiher, GermanyHQ checked Sep 30, 2026	51-200	17 contacts →
	Strong evidence “DWA is a German manufacturer of dialysis water equipment who provides services for the conception, implementation and maintenance of water treatment, concentrate supply and…” Source: RevenueBase Database · checked Sep 30, 2026
12	WM Aquatec	Indirect evidence	Erkenbrechtsweiler, GermanyHQ checked Sep 30, 2026	11-50	9 contacts →
	Indirect evidence “Warum WM aquatec als Ihr Geschäftspartner im Bereich Wasserhygiene?” Source: RevenueBase Database · checked Sep 30, 2026
13	Aquadetox International Gmbh	Indirect evidence	Aichstetten, GermanyHQ checked Sep 30, 2026	11-50	8 contacts →
	Indirect evidence “Seit über 15 Jahren setzen unsere Systeme Maßstäbe bei der Schonung dieser natürlicher Ressource.” Source: RevenueBase Database · checked Sep 30, 2026
14	Leyco Wassertechnik Gmbh	Partial evidence	Föritztal, GermanyHQ checked Sep 30, 2026	11-50	8 contacts →
	Partial evidence “The service portfolio ranges from the design, construction and maintenance of complete water treatment plants for industry and commerce to the sale of individual components of…” Source: RevenueBase Database · checked Sep 30, 2026
15	Iwat Gmbh	Partial evidence	Hebertshausen, GermanyHQ checked Sep 30, 2026	11-50	7 contacts →
	Partial evidence “We make industrial water treatment more efficient, more sustainable and more reliable.” Source: RevenueBase Database · checked Sep 30, 2026
16	Aqua Plus Wasser- UND Recyclingsysteme Gmbh	Indirect evidence	Böbingen An Der Rems, GermanyHQ checked Sep 30, 2026	11-50	7 contacts →
	Indirect evidence “Die aqua plus Wasser- und Recyclingsysteme GmbH mit Sitz in Böbingen an der Rems (Deutschland) ist ein dynamisches, innovatives Unternehmen im Bereich industriellen Wasser- und…” Source: RevenueBase Database · checked Sep 30, 2026
17	EAUK	Indirect evidence	Alteglofsheim, GermanyHQ checked Sep 30, 2026	1-10	7 contacts →
	Indirect evidence “Unsere innovative Filter- und Gerätetechnologie macht jede Wasserleitung zu einer natürlichen Quelle für reines, frisches und prickelndes Trinkwasser Und hilft so den Plastikmüll…” Source: RevenueBase Database · checked Sep 30, 2026
18	MTS & Apic Filter Gmbh & Co.Kg	Indirect evidence	Bad Liebenzell, GermanyHQ checked Sep 30, 2026	11-50	7 contacts →
	Indirect evidence “Wir produzieren und vertreiben Filtersysteme zur Abtrennung von Feststoffen aus Flüssigkeiten und Gasen.” Source: RevenueBase Database · checked Sep 30, 2026
19	Wisy AG	Indirect evidence	Kefenrod-hitzkirchen, GermanyHQ checked Sep 30, 2026	11-50	7 contacts →
	Indirect evidence “WISY AG is a producer of filtration systems for rainwater harvesting and production processes based in Germany.” Source: RevenueBase Database · checked Sep 30, 2026
20	Weil Wasseraufbereitung Gmbh	Indirect evidence	Osnabrück, GermanyHQ checked Sep 30, 2026	11-50	6 contacts →
	Indirect evidence “Die Weil Wasseraufbereitung GmbH entwickelt, plant und fertigt maßgeschneiderte Anlagen zur Erzeugung von Trinkwasser, Reinwasser und Reinstwasser sowie für die Aufbereitung von…” Source: RevenueBase Database · checked Sep 30, 2026
21	Lubron Wasseraufbereitung Gmbh	Indirect evidence	Freiberg Am Neckar, GermanyHQ checked Sep 30, 2026	11-50	6 contacts →
	Indirect evidence “Wir bieten Ihnen eine umfassende Palette modernster Wasseraufbereitungstechniken, beraten Sie bei Planung und Einsatz der Verfahren.” Source: RevenueBase Database · checked Sep 30, 2026
22	Ecowater Systems Germany	Indirect evidence	Stuttgart, GermanyHQ checked Sep 30, 2026	1-10	6 contacts →
	Indirect evidence “Mit der fortschrittlichsten, innovativsten und zuverlässigsten Technologie auf dem Markt produziert EcoWater Systems jede 4.” Source: RevenueBase Database · checked Sep 30, 2026
23	Klar. Water Solutions	Indirect evidence	Maintal, GermanyHQ checked Sep 30, 2026	1-10	6 contacts →
	Indirect evidence “Klar.” Source: RevenueBase Database · checked Sep 30, 2026
24	WBG Wasserbaugesellschaft Anlagenbau MBH	Indirect evidence	Mainleus, GermanyHQ checked Sep 30, 2026	11-50	6 contacts →
	Indirect evidence “Die WBG ist ein Unternehmen mit Sitz in Mainleus, Deutschland.” Source: RevenueBase Database · checked Sep 30, 2026
25	Stakpure Gmbh	Indirect evidence	Niederahr, GermanyHQ checked Sep 30, 2026	11-50	6 contacts →
	Indirect evidence “Wasser in seiner reinsten Form Für unsere Kunden aus der Labor- und Medizintechnik, Wissenschaft und Forschung, sowie Pharmazie und Industrie liefern wir H2O – Wasser in seiner…” Source: RevenueBase Database · checked Sep 30, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: water purifier manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names water purifier manufacturers.
Partial evidence: Its own public description names part of water purifier manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name water purifier manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 210 water purifier manufacturers based in Germany

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Water purifier manufacturers based in Germany at a glance

As of Sep 30, 2026

15.7%Verified-email coverage

13.1Average contacts per company

1-10Median size (employees)

3.8%Largest-city concentration · Berlin

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

100

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 210 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among water purifier manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Germany whose own description of what they do matches “water purifier manufacturers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names water purifier manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among water purifier manufacturers, and records with no verified work email. Companies headquartered outside Germany are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 432 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 30, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names water purifier manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many water purifier manufacturers are there based in Germany?

RevenueBase identified 210 water purifier manufacturers headquartered in Germany as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Grünbeck AG, headquartered in Hochstadt, tops this list with the largest team on record.

Which city has the most water purifier manufacturers?

Berlin leads with 8 headquartered companies, followed by Mannheim (4) and Hamburg (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 432 verified decision-maker contacts tracked across these 210 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.